Improper Handling of Exceptional Conditions Affecting modsecurity package, versions <3.0.4-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
1.22% (65th percentile)

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  • Snyk IDSNYK-ECHOLATEST-MODSECURITY-20360734
  • published1 Oct 2026
  • disclosed6 May 2021

Introduced: 6 May 2021

CVE-2019-25043  (opens in a new tab)
CWE-755  (opens in a new tab)

How to fix?

Upgrade Echo:latest modsecurity to version 3.0.4-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream modsecurity package and not the modsecurity package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

ModSecurity 3.x before 3.0.4 mishandles key-value pair parsing, as demonstrated by a "string index out of range" error and worker-process crash for a "Cookie: =abc" header.

CVSS Base Scores

version 3.1